389898145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 654998400

約数和(自身を除く): 265100255

約数列:

[1, 5, 7, 13, 17, 19, 35, 49, 65, 85, 91, 95, 119, 133, 221, 245, 247, 323, 379, 455, 595, 637, 665, 833, 931, 1105, 1235, 1547, 1615, 1729, 1895, 2261, 2653, 3185, 4165, 4199, 4655, 4927, 6443, 7201, 7735, 8645, 10829, 11305, 12103, 13265, 15827, 18571, 20995, 24635, 29393, 32215, 34489, 36005, 45101, 50407, 54145, 60515, 79135, 83759, 92855, 93613, 122417, 146965, 172445, 205751, 225505, 241423, 252035, 315707, 352849, 418795, 468065, 586313, 612085, 655291, 856919, 1028755, 1207115, 1578535, 1591421, 1764245, 2931565, 3276455, 4104191, 4284595, 4587037, 5998433, 7957105, 11139947, 20520955, 22935185, 29992165, 55699735, 77979629, 389898145]

約数ペア:

[(1, 389898145), (5, 77979629), (7, 55699735), (13, 29992165), (17, 22935185), (19, 20520955), (35, 11139947), (49, 7957105), (65, 5998433), (85, 4587037), (91, 4284595), (95, 4104191), (119, 3276455), (133, 2931565), (221, 1764245), (245, 1591421), (247, 1578535), (323, 1207115), (379, 1028755), (455, 856919), (595, 655291), (637, 612085), (665, 586313), (833, 468065), (931, 418795), (1105, 352849), (1235, 315707), (1547, 252035), (1615, 241423), (1729, 225505), (1895, 205751), (2261, 172445), (2653, 146965), (3185, 122417), (4165, 93613), (4199, 92855), (4655, 83759), (4927, 79135), (6443, 60515), (7201, 54145), (7735, 50407), (8645, 45101), (10829, 36005), (11305, 34489), (12103, 32215), (13265, 29393), (15827, 24635), (18571, 20995)]